<?php


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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<table align="center" width="1000" cellpadding="0" cellspacing="1" style="border:1px solid #CCC">
  <tr bgcolor="#EEE" height="24">
    <td colspan="3">CodeIgniter框架</td>
  </tr>
  <tr bgcolor="#F9F9F9" height="24">
    <td width="200">CodeIgniter框架</td>
    <td><a href="/ci/index.html" target="_blank">/ci/index.html</a></td>
    <td>CodeIgniter框架</td>
  </tr>
</table>
<br>
<table align="center" width="1000" cellpadding="0" cellspacing="1" style="border:1px solid #CCC">
  <tr bgcolor="#EEE" height="24">
    <td colspan="3">基本</td>
  </tr>
  <tr bgcolor="#F9F9F9" height="24">
    <td>分页</td>
    <td><a href="index.php/demo/page" target="_blank">/demo/page</a></td>
    <td>分页</td>
  </tr>
  <tr bgcolor="#F9F9F9" height="24">
    <td>判断是数字</td>
    <td>is_numeric()</td>
    <td>正数、负数、小数都为TRUE，其它FALSE</td>
  </tr>
  <tr bgcolor="#F9F9F9" height="24">
    <td>判断是正整数</td>
    <td>ctype_digit()</td>
    <td>正整数为TRUE，其它FALSE</td>
  </tr>
</table>
</body>
</html>